CMOS-based color pixel with reduced noise in the blue signal

Details CMOS-based color pixel with reduced noise in the blue signal CMOS-based color pixel with reduced noise in the blue signal

1997-06-27

2000-11-21

Ngo, Ngan V.

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

257294, 257440, 257463, 438 70, 438 80, H01L 31062, H01L 31113

Patent

active

061506834

ABSTRACT:
The blue signal of a CMOS-based color pixel is increased with respect to the red and green signals by lowering the doping concentration of the surface regions of the pn-junction photodiodes that are used in the blue imaging cells with respect to the surface regions of the pn-junction photodiodes that are used in the red and green imaging cells.

REFERENCES:
patent: 5625210 (1997-04-01), Lee et al.
patent: 5965875 (1999-10-01), Merrill
patent: 5969337 (1999-10-01), Yiannoulos
patent: 6021172 (2000-02-01), Fossum et al.

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